World War II began on September 1, 1939 with the invasion of Poland by Germany.
Answer 2
The above answer is debatable. In fact, the British declared war on Germany on 3rd Seprember 1939. So technically the war had not begun before then. Although the Germans entered Poland they had not declarede war on them.
World War 1 and World War 2
All of it. The germans started it with Hitler.
1.Weltkrieg
the cause
Italy and Japan
no.
Slaves.
The Germans.
They lost?
Germans
Because the Germans invaded them.
the Germans surrendered in their capital Berlin